KR102900833B1 - 매우 짧은 붕괴 시간을 갖는 고효율 oled 소자 - Google Patents
매우 짧은 붕괴 시간을 갖는 고효율 oled 소자Info
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Abstract
Description
Claims (12)
- 40.01 내지 99.95중량%의, 금속-카르벤 결합을 갖고 1중항 에너지(ES1(X))와 3중항 에너지(ET1(X)) 사이의 차이가 0.3eV 미만인 발광성 착체 X,
0.05 내지 5.00중량%의 형광 이미터 Y 및
0 내지 59.94중량%의 호스트 화합물(들)
을 포함하고,
여기서, 유기금속 착체 X, 형광 이미터 Y 및 호스트 화합물(들)의 양의 합계가 총 100중량%이고, 발광성 유기금속 착체 X의 1중항 에너지(ES1(X))가 형광 이미터 Y의 1중항 에너지(ES1(Y))보다 큰
발광층. - 제 1 항에 있어서,
2 내지 40중량%의 발광성 유기금속 착체 X, 0.05 내지 5.0중량%의 형광 이미터 Y 및 0 내지 55.94중량%의 호스트 화합물(들)로 구성된 박막의, τ0=τν/QY(여기서, QY는 양자 수율이고 τν는 여기상태 수명이다)로 계산되는 발광 수명(emissive lifetime, τ0)이 100ns 미만인 발광층. - 제 1 항에 있어서,
발광성 착체 X의 금속-카르벤 결합이 이리듐 금속을 갖는 발광층. - 제 3 항에 있어서,
발광성 착체 X가 하기 화학식의 화합물인 발광층:
- 제 3 항에 있어서,
발광성 이리듐 착체가 하기 화학식 X의 화합물인 발광층:
[화학식 X]
상기 식에서,
X1 및 Y1는 서로 독립적으로 CH 또는 N이되, X1 및 Y1 중 하나 이상은 N이고;
R23, R24, R27 및 R28은 각각 독립적으로 수소; 중수소; 메틸, 에틸, n-프로필, 이소-프로필, n-부틸, 3차-부틸, 2차-부틸, 이소-부틸, 사이클로펜틸, 사이클로헥실, OCH3, OCF3; 치환되지 않거나, 메틸, 에틸, n-프로필, 이소-프로필, n-부틸, 3차-부틸, 2차-부틸, 이소-부틸, 메톡시, CF3 또는 페닐로 치환될 수도 있는, 페닐, 피리딜, 피리미딜, 피라진일, 카바졸릴, 다이벤조푸라닐, 다이벤조티오페닐, 벤조푸라닐, 또는 벤조티오페닐; 또는 F, CF3, CN 및 SiPh3 중에서 선택된, 도너 또는 억셉터 작용 보유 기이고;
R25는 메틸, 에틸, n-프로필, 이소-프로필, n-부틸, 3차-부틸, 2차-부틸, 이소-부틸, 사이클로펜틸, 사이클로헥실, OCH3, OCF3; 치환되지 않거나, 메틸, 에틸, n-프로필, 이소-프로필, n-부틸, 3차-부틸, 2차-부틸, 이소-부틸, 메톡시 또는 페닐에 의해 치환될 수도 있는, 페닐, 피리딜, 피리미딜, 피라진일; 또는 CF3 및 CN 중에서 선택된, 도너 또는 억셉터 작용 보유 기이다. - 제 1 항에 있어서,
발광성 착체 X의 금속-카르벤 결합이 팔라듐 금속을 갖는 발광층. - 제 1 항에 있어서,
발광성 착체 X의 금속-카르벤 결합이 백금 금속을 갖는 발광층. - 제 1 항에 있어서,
형광 에미터 Y가 하기 화학식의 화합물인 발광층:
- 제 1 항에 있어서,
호스트 화합물이 하기 화학식의 화합물인 발광층:
상기 식에서,
T는 O 또는 S이다. - 제 9 항에 있어서,
호스트 화합물이 하기 화학식의 화합물인 발광층:
- 제 1 항에 따른 발광층을 포함하는 장치로서, 고정식 시각적 표시 장치, 또는 컴퓨터 또는 텔레비젼의 시각적 표시 장치, 프린터, 주방 용품 또는 광고 패널의 시각적 표시 장치, 조명, 정보 패널; 이동식 시각적 표시 장치, 또는 휴대폰, 휴대용 컴퓨터, 디지탈 카메라, MP3 플레이어, 차량, 또는 버스 또는 기차의 행선지 디스플레이 장치에서의 시각적 표시 장치; 조명 장치; 키보드; 의류 아이템; 가구; 벽지로 구성된 군 중에서 선택되는 장치.
- 제 1 항에 따른 발광층을 포함하는 장치로서, 발광 전기화학 전지(light-emitting electrochemical cell; LEEC), 유기 발광 소자(OLED) 센서, 유기 태양 전지(organic solar cell), 유기 전계 효과 트랜지스터, 유기 다이오드 및 유기 광다이오드로부터 선택되는 장치.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15170489 | 2015-06-03 | ||
| EP15170489.7 | 2015-06-03 | ||
| PCT/EP2016/062228 WO2016193243A1 (en) | 2015-06-03 | 2016-05-31 | Highly efficient oled devices with very short decay times |
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2016
- 2016-05-31 KR KR1020177036751A patent/KR102471707B1/ko active Active
- 2016-05-31 KR KR1020247013793A patent/KR102900833B1/ko active Active
- 2016-05-31 EP EP16727421.6A patent/EP3304612B1/en active Active
- 2016-05-31 CN CN201680032466.7A patent/CN107735880B/zh active Active
- 2016-05-31 CN CN202010546351.8A patent/CN111668392B/zh active Active
- 2016-05-31 JP JP2017562714A patent/JP6662913B2/ja active Active
- 2016-05-31 WO PCT/EP2016/062228 patent/WO2016193243A1/en not_active Ceased
- 2016-05-31 US US15/578,763 patent/US20180182980A1/en not_active Abandoned
- 2016-05-31 EP EP22170770.6A patent/EP4060757A1/en active Pending
- 2016-05-31 KR KR1020227041140A patent/KR102661925B1/ko active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| KR102471707B1 (ko) | 2022-11-29 |
| WO2016193243A1 (en) | 2016-12-08 |
| US20180182980A1 (en) | 2018-06-28 |
| CN111668392B (zh) | 2024-01-23 |
| KR102661925B1 (ko) | 2024-05-02 |
| US20250017099A1 (en) | 2025-01-09 |
| JP6974519B2 (ja) | 2021-12-01 |
| EP3304612A1 (en) | 2018-04-11 |
| KR20180014738A (ko) | 2018-02-09 |
| JP2018524803A (ja) | 2018-08-30 |
| CN107735880B (zh) | 2020-07-10 |
| JP6662913B2 (ja) | 2020-03-11 |
| CN111668392A (zh) | 2020-09-15 |
| EP3304612B1 (en) | 2022-05-04 |
| KR20220163510A (ko) | 2022-12-09 |
| EP4060757A1 (en) | 2022-09-21 |
| CN107735880A (zh) | 2018-02-23 |
| KR20240058993A (ko) | 2024-05-07 |
| JP2020102633A (ja) | 2020-07-02 |
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